6111728333945 has 16 divisors (see below), whose sum is σ = 7904557290000. Its totient is φ = 4509662736384.

The previous prime is 6111728333863. The next prime is 6111728333951. The reversal of 6111728333945 is 5493338271116.

It can be written as a sum of positive squares in 8 ways, for example, as 656458068841 + 5455270265104 = 810221^2 + 2335652^2 .

It is not a de Polignac number, because 6111728333945 - 2¹² = 6111728329849 is a prime.

It is a super-2 number, since 2×6111728333945² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37559564 + ... + 37721933.

It is an arithmetic number, because the mean of its divisors is an integer number (494034830625).

Almost surely, 2^{6111728333945} is an apocalyptic number.

6111728333945 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6111728333945 is a deficient number, since it is larger than the sum of its proper divisors (1792828956055).

6111728333945 is a wasteful number, since it uses less digits than its factorization.

6111728333945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75282764.

The product of its digits is 3265920, while the sum is 53.

The spelling of 6111728333945 in words is "six trillion, one hundred eleven billion, seven hundred twenty-eight million, three hundred thirty-three thousand, nine hundred forty-five".